AS1115 Ver la hoja de datos (PDF) - austriamicrosystems AG
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AS1115 Datasheet PDF : 24 Pages
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AS1115
Datasheet - Electrical Characteristics
6 Electrical Characteristics
VDD = 2.7 to 5.5V, RSET = 9.53kΩ, TAMB = -40 to +85°C, typ. values @ TAMB = +25ºC, VDD = 5.0V (unless otherwise
specified).
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Min Typ Max Unit
VDD
IDDSD
Operating Supply Voltage
Shutdown Supply Current
All digital inputs at VDD or
GND, TAMB = +25ºC
2.7
5.5
V
0.2
2
µA
IDD Operating Supply Current
RSET = open circuit.
All segments and decimal
point on; ISEG = -40mA.
0.35 0.6
mA
335
fOSC Display Scan Rate
8 digits scanned
0.48
0.96 kHz
IDIGIT Digit Drive Sink Current
VOUT = 0.65V
320
mA
ISEG Segment Drive Source Current
-35
-41
-47
mA
VDD = 5.0V, VOUT = (VDD -1V)
ΔISEG Segment Drive Current Matching
3
%
ISEG Segment Drive Source Current
Average Current
47
mA
Table 4. Logic Inputs/Outputs Characteristics
Symbol
IIH, IIL
VIH
VIL
VOL(SDA)
VKEYopen
VKEYshort
VOL(IRQ)
ΔVI
Parameter
Conditions
Input Current SDA, SCL
VIN = 0V or VDD
Logic High Input Voltage SDA, SCL
Logic Low Input Voltage SDA, SCL
SDA Output Low Voltage
ISINK = 3mA
Keyscan Open Input Voltage
Keyscan Short Input Voltage
Interrupt Output Low Voltage
ISINK = 3mA
Hysteresis Voltage
DIN, CLK, LD/CS
Capacitive Load for Each Bus Line
Open Detection Level Threshold
Short Detection Level Threshold
Min
-1
0.7xVDD
0.8xVDD
0.7x
VDD
0.05x
VDD
Typ Max
1
0.3xVDD
0.4
1
400
0.75x
VDD
0.1x
VDD
0.7x VDD
0.4
0.8x
VDD
0.15x
VDD
Unit
µA
V
V
V
V
V
V
V
pF
V
V
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